body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f8f7; /* 浅绿色背景 */
}

form {
    background-color: #fff;
    padding: 20px;
    border-radius: 15px; /* 圆润边框 */
    box-shadow: 0 5px 15px rgba(0,0,0,0.1); /* 阴影效果 */
}

#textboxContainer {
    margin-top: 10px;
}

select {
    padding: 8px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

input[type="submit"] {
    padding: 10px 20px;
    background-color: #4caf50; /* 按钮背景色 */
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #45a049; /* 鼠标悬停时的颜色 */
}

input[type="text"] {
    padding: 8px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid #ccc;
    width: 200px; /* 调整输入框的宽度 */
}


input[type="password"] {
    padding: 8px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid #ccc;
    width: 200px; /* 调整输入框的宽度 */
}